body,
html {
  height: 100%;
}
.wrapper {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-flex-direction: column;
  -ms-flex-direction: column;
  flex-direction: column;
  height: 100%;
}
.header {
  background: url("../images/header.jpg") no-repeat center / 100%;
  height: 3.3rem;
}
.content {
  background: url("../images/bottom.jpg") no-repeat bottom center / 100% 1.16rem;
  padding-bottom: 1.16rem;
  -webkit-box-flex: 1;
  -webkit-flex: 1;
  -ms-flex: 1;
  flex: 1;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-justify-content: space-around;
  justify-content: space-around;
  -webkit-box-orient: vertical;
  -webkit-flex-direction: column;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
}
.content a {
  background-repeat: no-repeat;
  background-size: 100%;
  width: 5.78rem;
  height: 2.2rem;
}
.content .high {
  background-image: url("../images/a.png");
}
.content .middle {
  background-image: url("../images/b.png");
}
.content .primary {
  background-image: url("../images/c.png");
}
.signBox {
  position: fixed;
  width: 100%;
  max-width: 640px;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  top: 0;
  z-index: 999;
}
.signBox .signForm {
  background: #fff url("../images/boxBg.jpg") no-repeat top center / 100% 1.03rem;
  width: 6.44rem;
  position: absolute;
  left: 50%;
  top: 50%;
  -webkit-transform: translate(-50%, -50%);
  -moz-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  -o-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  border-radius: 0.07rem;
  color: #131313;
  padding-bottom: .1rem;
}
.signBox .signForm h1 {
  font-size: .4rem;
  text-align: center;
  padding: 0.44rem 0 .54rem;
  line-height: 1;
}
.signBox .signForm .signFormMain {
  position: relative;
  width: 5rem;
  margin: 0 auto;
}
.signBox .signForm input {
  display: block;
  height: .9rem;
  font-size: .34rem;
  margin-bottom: .4rem;
  border-radius: 0.07rem;
  background: #fff;
  border: 1px solid #d2d2d2;
  padding: 0 0.34rem;
  width: 100%;
}
.signBox .signForm .select {
  position: relative;
}
.signBox .signForm .select select {
  display: block;
  height: .9rem;
  font-size: .34rem;
  margin-bottom: .4rem;
  border-radius: 0.07rem;
  background: #fff;
  border: 1px solid #d2d2d2;
  padding: 0 0.34rem;
  width: 100%;
  outline: none;
  color: #757575;
}
.signBox .signForm .select:after {
  content: '';
  position: absolute;
  background: url("../images/arrow.png") no-repeat center / 100%;
  width: 0.24rem;
  height: .52rem;
  top: 50%;
  right: .18rem;
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  -o-transform: translateY(-50%);
  transform: translateY(-50%);
}
.signBox .signForm .tip {
  color: #ff596c;
  font-size: .26rem;
  position: absolute;
  left: 50%;
  bottom: -0.6rem;
  text-align: center;
  width: auto;
  line-height: 2;
  background: url("../images/mark.png") no-repeat left 0.13rem;
  background-size: .2rem;
  padding-left: .25rem;
  display: none;
  -webkit-transform: translateX(-50%);
  -moz-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  -o-transform: translateX(-50%);
  transform: translateX(-50%);
}
.signBox .signForm button {
  background: url("../images/start.png") no-repeat center / 100%;
  width: 3.5rem;
  height: 1.46rem;
  display: block;
  color: #fff;
  font-size: .38rem;
  margin: .5rem auto;
}
.signBox .signForm button:active {
  background-image: url("../images/startHover.png");
}
.signBox .signForm button span {
  margin-bottom: 0.25rem;
  display: block;
}
